Vehicle Specifications

• Engine Code: K24A (RB3 / 3rd Gen JDM Motor)

• Displacement: 2.4 Liter (2,354cc)

• Configuration: Inline 4-Cylinder DOHC 16-Valve

• Valvetrain: i-VTEC (Intelligent Variable Valve Timing)

 

Vehicle Fitments

• 2012–2015 Honda Civic Si (FB6 Sedan / FG4 Coupe)

 

Included Parts

• Complete JDM Engine Long Block (Block and Cylinder Head)

• Intake Manifold & Throttle Body

• Fuel Rails & Injectors

• Alternator, AC Compressor, & Power Steering Pump (Bonus items)

• Coil Packs, Spark Plugs & Internal Engine Sensors

 

Installation & Notes

• USDM Swap: To ensure 100% plug-and-play ECU compatibility, you must transfer all your original USDM accessories to this JDM long block.

• Water Passages: Verify the coolant bypass and water neck locations match your USDM setup; minor swapping of these components may be required.

• Maintenance: We strongly recommend replacing the timing chain tensioner, water pump, and spark plugs before installation.

• Oil: Use 0W-20 or 5W-20 Full Synthetic Motor Oil.